Three.js添加多个几何图形

Question

大家好，我从Three.js开始，我不知道为什么我的第二个几何学没有出现。如果我错过了什么，请帮帮我。我添加了第一个几何学和所有的材料，并添加到现场，但我的第二个几何学不想出现。这里需要一点帮助，非常感谢！

// Scene and Camera
var scene = new THREE.Scene(); 
var camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 0.1, 1000);

// Renderer
var renderer = new THREE.WebGLRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );

// Firt geometry with material and added to the scene.
var geometry = new THREE.BoxGeometry( 1, 1, 1 );
var material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
var cube = new THREE.Mesh(geometry, material);
scene.add( cube );

// Seconde geometry with material and added to the scene as well.
var mysphere = new THREE.SphereGeometry(5, 32, 32);
var color = new THREE.Color('#ee7800');
var hex = color.getHex;
var sphereMaterial = new THREE.MeshLambertMaterial( { color: hex } );
var sphere = new THREE.Mesh(mysphere, sphereMaterial);
sphere.position.y = 10;
scene.add( sphere );

// Better camera position
camera.position.z = 5;


// Render all and move the cube
function render() {
  requestAnimationFrame( render );

  cube.rotation.x += 0.03;
  cube.rotation.y += 0.01;

  renderer.render( scene, camera);
};

render();

Answer 1

只是为了澄清。控制台日志中有错误消息吗？

var hex = color.getHex();

因为getHex()是一种方法。

还有，为什么不呢

var sphereMaterial = new THREE.MeshLambertMaterial( { color: 0xee7800} );

颜色的构造看起来很奇怪。应该是这样的：

var color = new THREE.Color( 0xee7800 );

Answer 2

你把球体定位在y=10，但是相机定位在y=0;z=5，这意味着它的视角是从球体下面稍微往下看的。也就是说，球体是屏幕外的。尝试设置camera.position.z=30以使球体进入视场.